DeepSeek V4 Flash vs Mistral Medium 3.1 (Comparative Analysis)
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Comparative Analysis: DeepSeek V4 Flash vs. Mistral Medium 3.1
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Overview
Mistral Medium 3.1 was released 8 months before DeepSeek V4 Flash.
 DeepSeek V4 Flash |  Mistral Medium 3.1 | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | Mistral |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 131.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 393.2K tokens | Not specified tokens |
Release Date When this model first became publicly available | April 24, 2026 3 months ago April 24th, 2026 | August 13, 2025 11 months ago August 13th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | June 30, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
DeepSeek V4 Flash | Mistral Medium 3.1 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: Extra High, HighDefault: High | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | Mistral |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
DeepSeek V4 Flash is roughly 0.4x less expensive compared to Mistral Medium 3.1 for input tokens and roughly 0.1x less expensive for output tokens.
| DeepSeek V4 Flash | Mistral Medium 3.1 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.14 per million tokens | $0.40 per million tokens |
Output Token Cost Cost per million output tokens | $0.28 per million tokens | $2.00 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.03 per million tokens | $0.04 per million tokens |
Benchmarks
Compare relevant benchmarks between DeepSeek V4 Flash and Mistral Medium 3.1.
| DeepSeek V4 Flash | Mistral Medium 3.1 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 40.3 (Artificial Analysis index; higher is better) | 14.7 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 56.2 (Artificial Analysis index; higher is better) | 20.5 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 31.1 (Artificial Analysis index; higher is better) | 6.2 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,254 Elo (#31 in Game Dev (50.3% win rate)) | 1,180 Elo (#60 in Data Viz (47.6% win rate)) |
At a Glance
Quick overview of what makes DeepSeek V4 Flash and Mistral Medium 3.1 unique.
DeepSeek V4 Flash by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.14/M input and $0.28/M output tokens. Released April 24th, 2026.Mistral Medium 3.1 by Mistral understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 131.1K token context window. Reasonably priced at $0.40/M input and $2.00/M output tokens. Released August 13th, 2025.Explore More Comparisons
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Content creation and marketing tasks
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Technical analysis and explanations
🔬Science
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